CVE-2025-37856

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.3% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-07-30.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-05-09 06:42Z1 YR AGO

Last updated

2026-08-05 11:57Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

2f82e8ed083e92f24d739bc30c3e6730186502cd623a9aefbe4934146e095beb

• git.kernel.orghttps://git.kernel.org/stable/c/bf089c4d1141b27332c092b1dcca5022c415a3b6
• git.kernel.orghttps://git.kernel.org/stable/c/909e60fb469d4101c6b08cf6e622efb062bb24a1
• git.kernel.orghttps://git.kernel.org/stable/c/185fd73e5ac06027c4be9a129e59193f6a3ef202
• git.kernel.orghttps://git.kernel.org/stable/c/7511e29cf1355b2c47d0effb39e463119913e2f6